Share 'Under What Circumstances is War Avoidable or Unavoidable?'

Tony raised this interesting question in his blog post. This seems like something the community can discuss and use to produce some insights. Pick a war, any war. State whether you think it was avoidable or unavoidable. What leads you to think about that war in that way? Are there other wars about which you think the opposite? What leads you to think differently about these different wars? Ev…